PLAINVIEW, Texas (KCBD) - Remember the days of overhead projectors? They were in every classroom. Wayland Baptist University saved all of those clear, plastic sheets, also known as transparencies. It ...

In The Overhead Projector: Don’t Overlook It (Part 1), I explained why it’s better to use a projector (be it an old-fashioned overhead or LCD) than to write on the board. Now we turn to how to use a ...

For those of us old enough to remember the days before every classroom had a TV, the overhead transparency projector was the lowliest of media presentation devices, way less cool than the ...

Overhead transparency projectors are not picky about electrical power. The same cannot be said about current digital projection technologies, sound reinforcement equipment, integrated control systems, ...

A lot has been said and written about the earmark Barack Obama sought for a new $3 million overhead projector at the Adler Planetarium since John McCain raised it in Tuesday night’s debate. And a lot ...